FB Submersible Motors Range 4″ – 4B

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FB Submersible Motors Range 4″ – 4B

F.B 4” oil-filled rewindable motors for long-term operation in wells with diameters of 4” or greater. The ball bearings are generously dimensioned to ensure the motor long service life. A special membrane compensates the pressure inside the motor.

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023 8841398 | 087 8246821

Description

F.B 4” oil-filled rewindable motors for long-term operation in wells with diameters of 4” or greater. The ball bearings are generously dimensioned to ensure the motor long service life. A special membrane compensates the pressure inside the motor.

Product Benefits

  • All parts in contact with water are made of AISI 304 stainless steel.
  • Industry-leading efficiency with low operating costs.
  • Protruding shaft made of AISI 304 stainless steel up to 2.2kW. DUPLEX from 3kW up to 7.5kW.
  • The power cable plug prevents oil from leaking out during operation.
  • The power cable complies with drinking water regulations.
  • The cast iron upper motor support has been treated with cataphoresis to prevent corrosion.
  • The sand-proof seal protects the mechanical seal from sand.
  • The ball bearings are suitably dimensioned for up to 5.000 N.
  • Ceramic mechanical seal.
  • The motors are pre-filled with food grade oil.

Technical Specifications

  • From 0,37kW to 7,5kW
  • Flange: 4” NEMA
  • Protection rating: IP68
  • Insulation class: F
  • Number of starting each hour: Max. 35
  • Installation: vertical or horizontal
  • 50-60 Hz voltage tolerance: -10% / +10%
  • Minimum cooling rate: 0,10m/s
  • Installation below the water level: up to 300m
  • Max. storage temperature: -15°C / +60°C
  • Motor Cable (WRAS, KTW, ACS approved) food grade 0,6 / 1kv

Options

  • Special voltages
  • Special frequencies
  • Silicon-carbide SIC-SIC mechanical seal
  • Cables with different lengths up to a maximum of 50m with plug for quick, secure connection
  • Vertical and horizontal cooling jackets
  • Sacrificial anode
  • Capacitors

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